JEE Main202125 Jul 2021Evening ShiftPhysicsCommunication SystemActual
A message signal of frequency 20   kHz and peak voltage of 20 V is used to modulate a carrier wave of frequency 1   MHz and peak voltage of 20 V . The modulation index will be:
Correct answer
1
Step-by-step solution
Modulation index μ = A m A c = 20 20 = 1